DCGO/Assets/Scripts/CardEffect/P/Green/P_181.cs

using System.Collections;
using System.Collections.Generic;

// Royal Base
namespace DCGO.CardEffects.P
{
    public class P_181 : CEntity_Effect
    {
        public override List<ICardEffect> CardEffects(EffectTiming timing, CardSource card)
        {
            List<ICardEffect> cardEffects = new List<ICardEffect>();

            #region Your Turn Face Up Security

            if (timing == EffectTiming.BeforePayCost)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("Reduce Digivolve Cost", CanUseCondition, card);
                activateClass.SetUpActivateClass(CanActivateCondition, ActivateCoroutine, 1, false, EffectDiscription());
                activateClass.SetHashString("P-181-ReduceDigivovleCost");
                cardEffects.Add(activateClass);

                string EffectDiscription()
                    => "[Security] [Your Turn] [Once Per Turn] When any of your Digimon would digivolve into a Digimon card with the [Royal Base] trait, reduce the digivolution cost by 1.";
                bool CanUseCondition(Hashtable hashtable)
                {
                    return CardEffectCommons.IsExistInSecurity(card, false) &&
                           CardEffectCommons.IsOwnerTurn(card) &&
                           CardEffectCommons.CanTriggerWhenPermanentWouldDigivolve(hashtable, DigivolveTargetCondition, DigivolveCondition);
                }

                bool CanActivateCondition(Hashtable hashtable)
                {
                    return CardEffectCommons.IsExistInSecurity(card, false);
                }

                bool DigivolveTargetCondition(Permanent permanent)
                    => CardEffectCommons.IsPermanentExistsOnOwnerBattleAreaDigimon(permanent, card);

                bool DigivolveCondition(CardSource source)
                    => source.IsDigimon
                    && source.HasRoyalBaseTraits;

                IEnumerator ActivateCoroutine(Hashtable _hashtable)
                {
                    ContinuousController.instance.PlaySE(GManager.instance.GetComponent<Effects>().BuffSE);

                    ChangeCostClass changeCostClass = new ChangeCostClass();
                    changeCostClass.SetUpICardEffect("Digivolve Cost -1", hashtable => true, card);
                    changeCostClass.SetUpChangeCostClass(changeCostFunc: ChangeCost, cardSourceCondition: CardSourceCondition, rootCondition: root => true, isUpDown: () => true, isCheckAvailability: () => false, isChangePayingCost: () => true);
                    card.Owner.UntilCalculateFixedCostEffect.Add((_timing) => changeCostClass);

                    yield return ContinuousController.instance.StartCoroutine(CardEffectCommons.ShowReducedCost(_hashtable));

                    int ChangeCost(CardSource cardSource, int Cost, SelectCardEffect.Root root, List<Permanent> targetPermanents)
                    {
                        if (CardSourceCondition(cardSource))
                        {
                            if (PermanentsCondition(targetPermanents))
                            {
                                Cost -= 1;
                            }
                        }

                        return Cost;
                    }

                    bool PermanentsCondition(List<Permanent> targetPermanents)
                        => targetPermanents != null;

                    bool CardSourceCondition(CardSource cardSource)
                    {
                        if (cardSource != null)
                        {
                            return cardSource.Owner == card.Owner &&
                                   cardSource.HasRoyalBaseTraits; 
                        }

                        return false;
                    }
                }
            }

            #endregion

            #region Main Effect

            if (timing == EffectTiming.OptionSkill)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("Add top sec to hand, send this to bottom sec", CanUseCondition, card);
                activateClass.SetUpActivateClass(null, ActivateCoroutine, -1, false, EffectDescription());
                cardEffects.Add(activateClass);

                string EffectDescription()
                {
                    return "[Main] Add your top security card to the hand. Then, place this card face up as the bottom security card.";
                }

                bool CanUseCondition(Hashtable hashtable)
                {
                    return CardEffectCommons.CanTriggerOptionMainEffect(hashtable, card);
                }

                IEnumerator ActivateCoroutine(Hashtable hashtable)
                {
                    if (card.Owner.SecurityCards.Count >= 1)
                    {
                        // Add your top security card to the hand
                        CardSource topSecCard = card.Owner.SecurityCards[0];

                        yield return ContinuousController.instance.StartCoroutine(
                            CardObjectController.AddHandCards(new List<CardSource>() { topSecCard }, false, activateClass));

                        yield return ContinuousController.instance.StartCoroutine(new IReduceSecurity(
                            player: card.Owner,
                            refSkillInfos: ref ContinuousController.instance.nullSkillInfos,
                            activateClass).ReduceSecurity());
                    }

                    // Place this card face up as the bottom security card
                    if (card.Owner.CanAddSecurity(activateClass))
                    {
                        yield return ContinuousController.instance.StartCoroutine(CardObjectController.AddSecurityCard(
                            card, toTop: false, faceUp: true));
                    }
                }
            }

            #endregion

            #region Security Effect

            if (timing == EffectTiming.SecuritySkill)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect($"Play 1 [Royal Base] Digimon card from hand", CanUseCondition, card);
                activateClass.SetUpActivateClass(null, ActivateCoroutine, -1, false, EffectDescription());
                activateClass.SetIsSecurityEffect(true);
                cardEffects.Add(activateClass);

                string EffectDescription()
                {
                    return
                        "[Security] You may play 1 level 5 or lower [Royal Base] trait Digimon card from your hand without paying the cost.";
                }

                bool CanUseCondition(Hashtable hashtable)
                {
                    return CardEffectCommons.CanTriggerSecurityEffect(hashtable, card);
                }

                bool CanSelectCardCondition(CardSource cardSource)
                {
                    return cardSource.IsDigimon && cardSource.HasLevel && cardSource.Level <= 5 &&
                           cardSource.HasRoyalBaseTraits &&
                           CardEffectCommons.CanPlayAsNewPermanent(cardSource: cardSource, payCost: false, cardEffect: activateClass);
                }

                IEnumerator ActivateCoroutine(Hashtable hashtable)
                {
                    if (CardEffectCommons.HasMatchConditionOwnersHand(card, CanSelectCardCondition))
                    {
                        List<CardSource> selectedCards = new List<CardSource>();

                        SelectHandEffect selectHandEffect = GManager.instance.GetComponent<SelectHandEffect>();

                        selectHandEffect.SetUp(
                            selectPlayer: card.Owner,
                            canTargetCondition: CanSelectCardCondition,
                            canTargetCondition_ByPreSelecetedList: null,
                            canEndSelectCondition: null,
                            maxCount: 1,
                            canNoSelect: true,
                            canEndNotMax: false,
                            isShowOpponent: true,
                            selectCardCoroutine: SelectCardCoroutine,
                            afterSelectCardCoroutine: null,
                            mode: SelectHandEffect.Mode.Custom,
                            cardEffect: activateClass);

                        selectHandEffect.SetUpCustomMessage("Select 1 card to play.", "The opponent is selecting 1 card to play.");
                        selectHandEffect.SetUpCustomMessage_ShowCard("Played Card");

                        yield return StartCoroutine(selectHandEffect.Activate());

                        IEnumerator SelectCardCoroutine(CardSource cardSource)
                        {
                            selectedCards.Add(cardSource);

                            yield return null;
                        }

                        yield return ContinuousController.instance.StartCoroutine(CardEffectCommons.PlayPermanentCards(
                            cardSources: selectedCards, activateClass: activateClass, payCost: false, isTapped: false,
                            root: SelectCardEffect.Root.Hand, activateETB: true));
                    }
                }
            }

            #endregion

            return cardEffects;
        }
    }
}